CN117664234A - Temperature and humidity sensor - Google Patents
Temperature and humidity sensor Download PDFInfo
- Publication number
- CN117664234A CN117664234A CN202311664540.5A CN202311664540A CN117664234A CN 117664234 A CN117664234 A CN 117664234A CN 202311664540 A CN202311664540 A CN 202311664540A CN 117664234 A CN117664234 A CN 117664234A
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- temperature
- humidity sensor
- circuit board
- air inlet
- shell
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- 239000000919 ceramic Substances 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
The invention relates to the technical field of temperature and humidity sensors, and discloses a temperature and humidity sensor, which comprises an upper shell and a lower shell, wherein a national standard 2-pin household appliance plug is integrated below the lower shell and is convenient to insert into a standard household power socket, a circuit board is fixedly arranged between the lower shell and the upper shell, a piezoelectric ceramic micropump is fixedly arranged between the circuit board and the lower shell, an air inlet groove is arranged on one side of the upper shell in an array manner, and a temperature and humidity sensor main body is fixedly arranged on the circuit board and close to the air inlet groove. According to the temperature and humidity sensor, the air inlet groove is formed in the upper shell, so that gas enters the shell to be monitored, then the piezoelectric ceramic micropump with long service life and low faults is utilized to pump the gas, circulation flow of the gas can be forcefully achieved, return of acquired data is achieved based on the power line carrier communication module, the acquired result can be returned to the data receiver or the server without an additional communication bus, and the sensor can be conveniently arranged on any socket with power line connection power supply.
Description
Technical Field
The invention relates to the technical field of temperature and humidity sensors, in particular to a temperature and humidity sensor.
Background
The temperature and humidity sensor takes a temperature and humidity integrated probe as a measuring element to monitor and collect temperature and humidity signals.
In the prior art, the application number is as follows: the name disclosed in CN2020204544956 is: the temperature and humidity sensor comprises a filter connector, wherein a cavity is formed in the filter connector, and a plurality of through holes are formed in the filter connector; the temperature and humidity sensor module is arranged in the cavity of the filter connector; a sensor housing connected to the bottom of the filter connector; and the wire harness is electrically connected with the temperature and humidity sensor module.
However, in the prior art, the application number is as follows: the temperature and humidity sensor mentioned in CN2020204544956, wherein when the temperature and humidity sensor is actually used for monitoring, if the gas does not have effective circulation, the monitoring effect of the sensor is poor, the temperature and humidity change cannot be accurately and precisely monitored, if the gas is required to flow, a fan and other parts should be added, so that the volume of the device is increased.
Disclosure of Invention
The invention aims to provide a temperature and humidity sensor so as to solve the problems in the prior art.
The aim of the invention can be achieved by the following technical scheme:
the temperature and humidity sensor comprises an upper shell and a lower shell, pins are fixedly connected to the lower side of the lower shell, a circuit board is fixedly installed between the lower shell and the upper shell, and a piezoelectric ceramic micropump for forced airflow circulation is fixedly installed between the circuit board and the lower shell.
One side array of going up the casing is equipped with the air inlet tank, and just be close to air inlet tank department fixed mounting has temperature and humidity sensor main part on the circuit board.
Preferably, the pin is a national standard 2 pin plug, the national standard 2 pin plug is integrated on the lower shell, and the temperature and humidity sensor is inserted into a standard socket through the national standard 2 pin plug and is used for connecting a power line.
Preferably, the circuit board is fixedly provided with a miniature power supply for supplying power to the inside of the temperature and humidity sensor.
Preferably, an exhaust pipe is fixedly installed on the piezoelectric ceramic micropump, and the end part of the exhaust pipe penetrates through the circuit board and is installed on the outer side of the upper shell in a penetrating manner.
Preferably, the piezoelectric ceramic micropump in the temperature and humidity sensor is used for pumping out gas in the sensor through the exhaust pipe, and the air inlet groove is positioned on one side of the exhaust pipe.
Preferably, the air inlet groove is arranged vertically with the exhaust pipe to form a vertical structure, and the vertically arranged exhaust pipe is used for preventing air exhausted by the piezoelectric ceramic micropump from flowing back.
Preferably, the temperature and humidity sensor is internally integrated with a power line carrier communication module, and the power line carrier communication module is used for transmitting the measurement result of the sensor to a remote data receiver or a server through a power line.
Preferably, a status indicator light for displaying the working status of the sensor is fixedly arranged on one side of the upper shell.
The invention has the beneficial effects that:
1. the temperature and humidity sensor has the advantages that the air inlet groove is formed in the shell of the temperature and humidity sensor, forced air circulation is realized by using the piezoelectric ceramic micropump with long service life and low faults, gas enters the shell through the air inlet groove and flows through the internal measuring element, then the gas is pumped out from the exhaust pipe, the circulating flow of the gas is forcedly realized, the monitoring precision and the monitoring range of the gas are improved, the monitoring capability of the sensor is improved, the volume is small, and the temperature and humidity sensor can be suitable for monitoring temperature and humidity environmental parameters of any scene without additionally arranging components such as fans;
2. the temperature and humidity sensor realizes the return of acquired data based on the power line carrier communication module, and can return the acquired result to a data receiver or a server without an additional communication bus;
3. the temperature and humidity sensor has the advantages that the national standard 2-pin plug is integrated on the lower shell, so that the temperature and humidity sensor can be conveniently inserted into a standard power socket, and can be conveniently installed and arranged on any socket with power line connection for power supply;
4. according to the temperature and humidity sensor, the shell is provided with the status indicator lamp, different indication effects can be given according to different working states, and operation and maintenance personnel can conveniently monitor the working states of the sensor.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the temperature and humidity sensor of the present invention;
FIG. 3 is a schematic diagram of a temperature and humidity sensor according to the present invention;
FIG. 4 is a schematic cross-sectional view of a temperature and humidity sensor according to the present invention;
FIG. 5 is a cross-sectional view of the temperature and humidity sensor of the present invention;
fig. 6 is a schematic diagram of the internal structure of the temperature and humidity sensor of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-6, the temperature and humidity sensor comprises an outer shell, wherein the outer shell is of an assembled structure and consists of an upper shell 1 and a lower shell 11, and a pin 12 is fixedly connected below the lower shell 11.
In this embodiment, the pin 12 is a national standard 2 pin plug, and is used for being plugged into a standard socket, and is applied to a standard power line power supply occasion, and can be used in cooperation with a standard power socket, the installation and the use are not limited by the position, and the sensor is internally integrated with a power line carrier communication module, so that the power line carrier communication module can transmit the measurement result of the sensor to a remote data receiver or a server through a power line.
An inner cavity is formed between the lower shell 11 and the upper shell 1, a circuit board 15 is fixedly installed in the inner cavity, a through hole is formed in the circuit board 15, a piezoelectric ceramic micropump 14 is fixedly installed between the circuit board 15 and the lower shell 11, an exhaust pipe 10 is fixedly installed on the piezoelectric ceramic micropump 14, the exhaust pipe 10 is installed in the through hole in a penetrating mode and fixedly connected with the top of the upper shell 1, and the end portion of the exhaust pipe 10 is located outside the upper shell 1.
The miniature power supply 17 is fixedly arranged in the inner cavity, the miniature power supply 17 is positioned above the circuit board 15 and is electrically connected with the circuit board 15 to supply power to the circuit board 15 and the piezoelectric ceramic micropump 14, the air inlet grooves 13 distributed in an array are formed in one side of the upper shell 1, the air inlet grooves 13 are communicated with the inner cavity, the temperature and humidity sensor main body 16 is fixedly arranged in the inner cavity and close to the air inlet grooves 13, and the temperature and humidity sensor main body 16 is electrically connected with the circuit board 15.
The air flow to be detected enters the position of the temperature and humidity sensor main body 16 from the air inlet groove 13, is subjected to temperature and humidity detection by the temperature and humidity sensor main body 16, then is sucked by the piezoelectric ceramic micropump 14, is discharged from the exhaust pipe 10 perpendicular to the air inlet groove 13, forms circulating air flow in the environment to be detected, does not need to additionally set components such as a fan to drive air to flow, and the air inlet groove 13 and the exhaust pipe 10 are vertically arranged to form a perpendicular structure, so that after the air is discharged from the exhaust pipe 10, the air cannot flow back to the air inlet groove 13 in a short time, and the accuracy of sensor detection is ensured.
A status indicator lamp 18 is fixedly arranged on one side of the upper shell 1 far away from the air inlet groove 13 and is used for displaying the actual working state of the temperature and humidity sensor.
In this embodiment, the temperature and humidity sensor has a smaller structure, the piezoelectric ceramic micropump 14 can force air circulation, so that temperature and humidity monitoring under the condition of very low air circulation degree can be realized, and the air circulation is forced to improve detection accuracy. The piezoelectric ceramic micropump 14 has long service life, does not generate heat in operation, and has no influence on sensor measurement and service life.
Based on the power line carrier communication module, can realize the reliable passback of collection data, need not extra communication bus, can pass back data receiver or server with the collection result, integrated national standard 2 foot plugs on the lower casing, conveniently insert standard supply socket, can conveniently install and arrange on any socket that has the power line connection power supply, state indicator 18 of operating condition still can give different instruction effects to different operating conditions, makes things convenient for fortune dimension personnel to monitor sensor operating condition.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (8)
1. The temperature and humidity sensor comprises an upper shell (1) and a lower shell (11), and is characterized in that a pin (12) is fixedly connected below the lower shell (11), a circuit board (15) is fixedly arranged between the lower shell (11) and the upper shell (1), and a piezoelectric ceramic micropump (14) for forced airflow circulation is fixedly arranged between the circuit board (15) and the lower shell (11);
an air inlet groove (13) is arranged on one side of the upper shell (1) in an array mode, and a temperature and humidity sensor main body (16) is fixedly installed on the circuit board (15) and close to the air inlet groove (13).
2. A temperature and humidity sensor according to claim 1, characterized in that the pins (12) are national standard 2 pin plugs, the national standard 2 pin plugs are integrated on the lower housing (11), and the temperature and humidity sensor is plugged into standard sockets through the national standard 2 pin plugs for connecting power lines.
3. A temperature and humidity sensor according to claim 1, characterized in that the circuit board (15) is fixedly provided with a micro power supply (17) for supplying power to the inside of the temperature and humidity sensor.
4. The temperature and humidity sensor according to claim 1, wherein the piezoelectric ceramic micropump (14) is fixedly provided with an exhaust pipe (10), and the end part of the exhaust pipe (10) penetrates through the circuit board (15) and is installed outside the upper shell (1).
5. A temperature and humidity sensor according to claim 3, characterized in that the piezoelectric ceramic micropump (14) in the temperature and humidity sensor is used for pumping out the gas in the sensor through the exhaust pipe (10), and the air inlet groove (13) is positioned at one side of the exhaust pipe (10).
6. A temperature and humidity sensor according to claim 4, characterized in that the air inlet groove (13) is arranged vertically to the air outlet pipe (10) to form a vertical structure, and the vertically arranged air outlet pipe (10) is used for preventing air discharged by the piezoelectric ceramic micropump (14) from flowing back.
7. The temperature and humidity sensor according to claim 1, wherein the temperature and humidity sensor is internally integrated with a power line carrier communication module for transmitting the sensor measurement result to a remote data receiver or server through a power line.
8. A temperature and humidity sensor according to claim 1, characterized in that a status indicator lamp (18) for displaying the working status of the sensor is fixedly installed on one side of the upper housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311664540.5A CN117664234A (en) | 2023-12-04 | 2023-12-04 | Temperature and humidity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311664540.5A CN117664234A (en) | 2023-12-04 | 2023-12-04 | Temperature and humidity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117664234A true CN117664234A (en) | 2024-03-08 |
Family
ID=90084155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311664540.5A Pending CN117664234A (en) | 2023-12-04 | 2023-12-04 | Temperature and humidity sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117664234A (en) |
-
2023
- 2023-12-04 CN CN202311664540.5A patent/CN117664234A/en active Pending
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